I wanted to upgrade AC and wanted a variable speed, so I went with a Trane XV20i back in April. The owners son was the salesman, came out, very likeable guy, and we made the deal. I made sure to ask him about my duct work since the house is from 1987 and I don't know how old it is. He inspected it and said it would have no issues.
Fast forward to about September and they had to replace my thermostat. Last week we noticed water marks on a few of our vents. I called Friday morning and they had some come that afternoon. The tech said all of our ducts are sweating, which has never happened in the 9 years we owned the house (8.5 years with 17 year Goodman). The weekend goes by and I call today to get an update on what is happening. I get the owners son who came out to sell me the Trane XV20i and one of his guys this afternoon. They verify the ducts are sweating.
They come back to me saying he had good intentions when he sold me the system to say my ducts were good, but didn't realize they would not work right with this unit X months later. He said it's kinda like selling you a used car, only for it to stop working on you a few months later.
Now I'm trying to figure out if he's telling me the truth about why our ducts are sweating 5 months later. He said this year is a record year for the dew points and because the unit is on almost all day, more colder air is staying in the ducts longer. Since my ducts are probably original from 1987, where metal was used and then a small 4.5 insulation rating, now it's not drying out as fast as before. With my old unit it'd turn on, cool down, shut off. With this one being on 19-22 hours of the day it's just not drying out as fast.
I had someone mention to me that I could turn my fan speed up and that may fix the issue, since it'd push the air out quicker, but it's not a guarantee fix. I had another buddy tell me since my old unit was 3.5 ton and this is now a 4 ton, that it's pushing more air and keeping it colder than before. He said technically since it's variable speed, they should have gave you a 3 ton, and with it being a variable speed it's conpensate being a smaller tonnage and work with your duct size better than the 4 ton.
The company that sold me the unit said the only guaranteed fix would be to change out every bit of duct work from the handler on. They basically want $ after their $ discount, or it'd basically be about $ to fix it. He said he feels bad and wants to help me, so he's willing to change all boots, insulate the ones they can't remove, new flex ducts (12) and new "trunk line." I'm pretty sure he said they would balance everything out so all rooms are blowing the same temperature. I asked my buddy about the price and he said $ is about average and the guy won't be losing or making any money.
Does the company sound right, or did they screw up by not changing my duct work? Also, do you think something as simple as changing my fan speed to a faster one may fix my issue?
I'll take any and all advice. My buddy said to check the temperatures from the areas where the returns are to the vents to get the temperature difference, but I don't have anything to do that. I'll try to find something to do that.
Fast forward to about September and they had to replace my thermostat. Last week we noticed water marks on a few of our vents. I called Friday morning and they had some come that afternoon. The tech said all of our ducts are sweating, which has never happened in the 9 years we owned the house (8.5 years with 17 year Goodman). The weekend goes by and I call today to get an update on what is happening. I get the owners son who came out to sell me the Trane XV20i and one of his guys this afternoon. They verify the ducts are sweating.
They come back to me saying he had good intentions when he sold me the system to say my ducts were good, but didn't realize they would not work right with this unit X months later. He said it's kinda like selling you a used car, only for it to stop working on you a few months later.
Now I'm trying to figure out if he's telling me the truth about why our ducts are sweating 5 months later. He said this year is a record year for the dew points and because the unit is on almost all day, more colder air is staying in the ducts longer. Since my ducts are probably original from 1987, where metal was used and then a small 4.5 insulation rating, now it's not drying out as fast as before. With my old unit it'd turn on, cool down, shut off. With this one being on 19-22 hours of the day it's just not drying out as fast.
I had someone mention to me that I could turn my fan speed up and that may fix the issue, since it'd push the air out quicker, but it's not a guarantee fix. I had another buddy tell me since my old unit was 3.5 ton and this is now a 4 ton, that it's pushing more air and keeping it colder than before. He said technically since it's variable speed, they should have gave you a 3 ton, and with it being a variable speed it's conpensate being a smaller tonnage and work with your duct size better than the 4 ton.
The company that sold me the unit said the only guaranteed fix would be to change out every bit of duct work from the handler on. They basically want $ after their $ discount, or it'd basically be about $ to fix it. He said he feels bad and wants to help me, so he's willing to change all boots, insulate the ones they can't remove, new flex ducts (12) and new "trunk line." I'm pretty sure he said they would balance everything out so all rooms are blowing the same temperature. I asked my buddy about the price and he said $ is about average and the guy won't be losing or making any money.
Does the company sound right, or did they screw up by not changing my duct work? Also, do you think something as simple as changing my fan speed to a faster one may fix my issue?
I'll take any and all advice. My buddy said to check the temperatures from the areas where the returns are to the vents to get the temperature difference, but I don't have anything to do that. I'll try to find something to do that.
source https://hvac-talk.com/vbb/showthread.php?2222356-New-Trane-XV20i-and-ducts-sweating&goto=newpost
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